Diastole and systole refer to when the heart muscles relax and contract. The balance between diastolic and systolic pressure determines a person’s blood pressure. A blood pressure reading displays ...

Left ventricular end-diastolic volume is the amount of blood in the heart’s left ventricle just before the heart contracts. While the right ventricle also has an end-diastolic volume, it’s the value ...

Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...